The problem isn’t with the website, but the downloaded ART template. I get a bunch of 404s:

Failed to load resource: the server responded with a status of 404 (Not Found)
07.jpg:1 Failed to load resource: the server responded with a status of 404 (Not Found)
e2e2c341699719.57b10165aabd1.jpg:1 Failed to load resource: the server responded with a status of 404 (Not Found)
Floating-Lighting-005.jpg:1 Failed to load resource: the server responded with a status of 404 (Not Found)
smartwatch-008.jpg:1 Failed to load resource: the server responded with a status of 404 (Not Found)
05.jpg:1 Failed to load resource: the server responded with a status of 404 (Not Found)
6d865f41699719.57b10165aa705.jpg:1 Failed to load resource: the server responded with a status of 404 (Not Found)
smartwatch-001.jpg:1 Failed to load resource: the server responded with a status of 404 (Not Found)
Floating-Lighting-007.jpg:1 Failed to load resource: the server responded with a status of 404 (Not Found)
08.jpg:1 Failed to load resource: the server responded with a status of 404 (Not Found)
07-1.jpg:1 Failed to load resource: the server responded with a status of 404 (Not Found)
06.jpg:1 Failed to load resource: the server responded with a status of 404 (Not Found)

The full location of the files reside on themes.uiueux.com
http://themes.uiueux.com/art2/wp-content/uploads/sites/14/2017/06/06-1.jpg